WenmarOpen by Wenmar Pro

Service bulletins for the 2016 GMC Sierra

A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.

2266 on file from NHTSA, as of 2026-10-19.

By type

By component

By trouble code

By topic

Only bulletins with component: Seats are shown. Show all

Bulletins, newest first
06-00-89-029V2024-05-16. Service bulletin. SEATS; UNKNOWN OR OTHER. This service bulletin includes information on Interior Cleaning - Instrument Panel (IP), Hard or Plastic Surfaces, Seats, Carpet, Leather, Vinyl, Fabric Cleaner, Stain Remover, Restorer - Product Availability.
PI1354J2024-02-14. Service bulletin. ENGINE AND ENGINE COOLING; STEERING; SEATS; POWER TRAIN; WHEELS. This preliminary bulletin provides additional guidance for diagnosing vibrations or disturbances that may occur on full size pickups and how to correct and repair.
PI3541J2024-01-04. Service bulletin. STEERING; POWER TRAIN; WHEELS; SEATS. This preliminary bulletin provides additional guidance for diagnosing vibrations or disturbances that may occur on full size pickups and how to correct and repair.
N1922850502020-03-23. Service bulletin. SEATS; EQUIPMENT ADAPTIVE/MOBILITY. Customer Satisfaction Program - Certain vehicles that had the front passenger seat cushion frame previously replaced, may not have had the adjuster stops transferred and are missing on the replacement part. The front passenger seat may be in a position beyond the occupant design travel range.Dealers are to inspect the front passenger seat tracks for the presence of both adjuster stops and install missing adjuster stops if necessary.
18NA3772019-05-20. Service bulletin. SEATS. This technical bulletin provides repair information to correct a customer concern of front seat lateral movement and/or click type noise while driving.
060850009J2019-03-25. Service bulletin. SEATS; EQUIPMENT ADAPTIVE/MOBILITY. This informational bulletin provides information for information on passenger presence sensing system (PPS or PSS) concerns with custom upholstery, accessory seat heaters or other comfort enhancing devices.
18NA3772019-03-25. Service bulletin. SEATS. This technical bulletin provides repair information to correct a customer concern of front seat lateral movement and/or click type noise while driving.
PIT56242018-08-20. Service bulletin. SEATS. This Preliminary information communicates a diagnostic tip for an issues with the heated and/or vented seats turning off and setting DTCU1524 because of a loss of voltage to the Seat Heating Control Module.
PIT5380C2018-06-18. Service bulletin. EQUIPMENT; SEATS. This Preliminary Information communication provides information to the technician about vehicle that may have a front driver's or passenger's seat back may lean or be turned outward. Technician will need to remove the seat bottom trim cover and reinstall it completely and squarely to the cushion to correct the concern.
PI1354F2018-06-04. Service bulletin. STEERING: STEERING WHEEL/HANDLE BAR; SEATS. This preliminary bulletin provides additional guidance for diagnosing vibrations or disturbances that may occur on full size pickups and how to correct and repair.
PI1091C2018-05-21. Service bulletin. EQUIPMENT; SEATS:FRONT ASSEMBLY:SEAT HEATER/COOLER. This preliminary informational bulletin provides repair information to correct a customer concern of warm air exhausting from driver and/or passenger front seat back into 2nd row seating area causing occupant discomfort.
GCUS-3-8232018-04-02. Service bulletin. SEATS:FRONT ASSEMBLY:POWER ADJUST. 17018-Customer Satisfaction Program. Certain vehicles, equipped with power front passenger seat adjuster that was previously replaced, may have a condition in which the front passenger seat can be adjusted to a position beyond the occupant design travel range. Dealers will inspect front passenger seat tracks and, as necessary, install the seat stop(s).
PI1091B2017-12-22. Service bulletin. SEATS. This preliminary informational bulletin provides repair information to correct a customer concern of warm air exhausting from driver and/or passenger front seat back into 2nd row seating area causing occupant discomfort.
PIC6179A2017-12-14. Service bulletin. SEATS. This Preliminary Information communication advises the technician that vehicles with front seat Regular Production Option Codes A52, AZ3, or B3F may comment about low treble, or excessive bass from the front door speakers. This is a normal design characteristic for this seat configuration. These vehicles lack a subwoofer.
PIT5279C2017-08-15. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT:MECHANICAL; SEATS:FRONT ASSEMBLY:POWER ADJUST. This Preliminary Information communication provides information to the technician for vehicles that exhibit a driver?s power memory seat and power adjustable pedals inoperative. Look for poor terminal tension at the left instrument panel fuse block connector X1 terminals 27 and 28. If poor retention is found in these terminals replace them with terminated lead part number 19301761.
PIT5434A2017-08-15. Service bulletin. ELECTRICAL SYSTEM; SEATS. This Preliminary Information communication provides information to the technician only to provide additional tips when diagnosing a front heated seat concern and is not meant to be a diagnostic flow chart or replace Service Information. Always, perform and refer to Service Information for the latest diagnostic information and procedures. Trucks equipped with heated and cooled seats Regular Production Option Code (KB6), may comment on any of the following front heated seat concerns. Condition 1, a front heated seat (back and/or cushion) is inoperative. Technician should diagnosis each affected seat heater individually. Technician should test all four circuits Power, Ground, Control (from Body Control Module) and Heating Element Supply Power. The Power, Ground, Control (from Body Control Module) can easily be checked by starting the engine and turn on the cooled seat. When the cooled seats are turned on the blower in each seat back and cushion will turn on at that point technician will be able to hear the blower moving. The heating element supply power circuit can be test by disconnecting the affected heating element and connect a voltmeter across the heating element supply power and ground circuit. Then start the engine and turn on the heated seat, the blower will supply system voltage on the element supply power circuit for 1 to 2 seconds. With the heated seat element disconnected, use an ohmmeter to measure the resistance of the heating element. If all of the above steps check ok or the heating element resistance is close to the approximate spec, reconnect all disconnected connectors. Connect a voltmeter across the affected heated seat element connectors supply power and ground circuits back probing the connector. Then check the resistance of the heating element. The resistance should be close to the same resistance as when testing with the connector unplugged. Now check the voltage with the engine running and the heated sets on high. Condition 2, the front heate
PIT5380B2017-08-15. Service bulletin. EQUIPMENT ADAPTIVE/MOBILITY; SEATS:FRONT ASSEMBLY:RECLINER. This Preliminary Information communication provides information to the technician about vehicle that may have a front driver's or passenger's seat back may lean or be turned outward. Technician will need to remove the seat bottom trim cover and reinstall it completely and squarely to the cushion to correct the concern.
PIT55422017-08-15. Service bulletin. EQUIPMENT ADAPTIVE/MOBILITY; SEATS. This Preliminary Information communication provides information to the technician about vehicles that have an excessive lateral driver or passenger seat movement and/or a clunk/click/pop type feeling or noise. Technician will need to install a front seat lateral retainer. Technician will need to remove plastic material from the top side of the guide end of the lateral retainer to enable installation.
06-08-50-009I2017-08-15. Service bulletin. SEATS; SEATS:FRONT ASSEMBLY:SEAT HEATER/COOLER; AIR BAGS:SENSOR:OCCUPANT CLASSIFICATION. This informational bulletin provides Information on Passenger Presence Sensing System (PPS or PSS) Concerns with Custom Upholstery, Accessory Seat Heaters or Other Comfort Enhancing Devices
PIE03702017-05-25. Service bulletin. SEATS. THIS ENGINEERING INFORMATIONAL BULLETIN IS REQUESTING INFORMATION FROM THE FIELD WITH THE CONDITONS OF A RATTLE NOISE ORIGINATING FROM THE SECOND ROW SEAT.
PIT5408A2016-10-03. Service bulletin. SEATS. THIS PRELIMINARY INFORMATION COMMUNICATION ADVISES THE TECHNICIAN THAT SOME VEHICLES THE HAPTIC SEAT MOTORS CAN BE FELT IN THE SEAT. TECHNICIAN WILL ACCESS BOTH HAPTIC SEAT MOTORS AND ROTATE THE MOTORS FLAT, AND THEN REINSTALL THEM BACK INTO THE SEAT CUSHION. THIS WILL HELP IMPROVE THE COMFORT OF THE SEAT CUSHION.
PIT-5380-A2016-08-12. Service bulletin. SEATS. THIS PRELIMINARY INFORMATION COMMUNICATION ADVISES THE TECHNICIAN ON THE STEPS TO REPAIR THE CONCERN OF THE VEHICLE'S FRONT SEAT APPEARS TO BE TOO FAR FORWARD. THIS CONCERN COULD BE CAUSED BY THE SEAT BOTTOM TRIM COVER NOT INSTALLED CORRECTLY ONTO THE CUSHION/FOAM. INSTRUCTIONS ARE PROVIDED TO CORRECTLY INSTALL THE SEAT BOTTOM TRIM COVER.

The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.